function setGraphStart(unit)
{
	var unit_array = new Array("d", "w", "m");
	for(var i=0; i<unit_array.length; i++)
		document.getElementById("range_" + unit_array[i]).src = "/images/player_info/graph_range/" + unit_array[i] + ".gif";
	graphStart = "-1" + unit;
	document.getElementById("range_" + unit).src = "/images/player_info/graph_range/" + unit + "_sel.gif";
	document.getElementById("graph_player_score").src = scoreGraphLink + "&start=" + graphStart + "&request=" + Math.random().toString().replace(".", "");
	document.getElementById("graph_player_time").src = timeGraphLink + "&start=" + graphStart + "&request=" + Math.random().toString().replace(".", "");
}